TL431_06 Datasheet, PDF (5/11 Pages) ON Semiconductor – Programmable Precision References

TL431 / TL431A / TL431B
TM
®
Precision programmable References
PRODUCTION DATA SHEET
2.60
2.58
2.56
V_REF= V _KA
I_K = 10mA
TL431/A
2.54
CHARACTERISTIC CURVES
5
V_REF= 2550mV
I_K = 10mA
R1 =
4
I_K = 10mA
2.52
TL431B
3
2.50
TL431/A
2.48
TL431/A
V_REF= 2495mV
2
2.46
2.44
TL431/A
2.42
V_REF= 2440mV
TL431B
1
2.4
-50 -25
0
25
50
75 100 125
(T_A ) Ambient Temperature - (°C)
Figure 1 – Reference Voltage vs. Free-Air Temperature
0
-50 -25
0
25
50
75 100 125
(T_A ) Ambient Temperature - (°C)
Figure 2 – Reference Current vs. Free-Air Temperature
150
125
V_KA = V _REF
T_A = 25 °C
100
75
50
25
0
TL431/A
-25
-50
TL431B
-75
-100
-2
-1
0
1
23
(V_KA ) Cathode Voltage - (V)
Figure 3 – Cathode Current vs. Cathode Voltage
800
V_KA = V_REF
T_A = 25 °C
600
I_MIN
400
200
0
-200
-1
0
1
23
(V_KA) Cathode Voltage - (V)
Figure 4 – Cathode Current vs. Cathode Voltage
Copyright © 1999
Rev. 1.4, 2006-09-26
Microsemi
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